Name: Pachycephalosaurus

Length: 4.5 m

Height: 4.3 m

Weight: 1,000 kg

Kingdom (Classification): Animalia

Vegetation: Herbivore

Habitat - Place of residing: North America

Average Lifespan: NA

Extinction Duration: 65 million years ago

Reason of Extinction: Cretaceous-Paleogene Extinction Event

Rivalry: Carnotaurus, T-rex, Allosaurus, Velociraptors, Dilophosaurus and Baryonyx